Snow Depth Figure (image)

Caption

Change in springtime Arctic snow depth compared to the average. The data come from Soviet drifting ice stations (1950-1987), US Ice Mass Balance buoys (1993-2013), and the NASA IceBridge airborne project (2009-2013). For measurements in the western Arctic only, the trend was a decline of 0.27 cm per year (about 1 inch less per decade) with 99 percent significance.

Credit

M. Webster / Univ. of Washington

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